*{
	margin:0;
	padding:0;
}
.head_nav{
	border-bottom:1px #999 solid;
	border-top:1px #999 solid;
	width:1349px;
	height:51px;
}
.logo{
	width:60px;
	height:50px;
	margin-left:20px;
	background-image:url('../images/logo.png');
	background-repeat:no-repeat;
	background-size:100% 100%;	
}
.ul_1{
	display:flex;
	justify-content:space-between;
	width:447px;
	height:50px;
	text-align:right;
	line-height:50px;
	margin-left:100px;
	margin-top:-51px;
}
.ul_1>li{
	height:50px;
	font-weight:800;
	list-style-type:none;
}
.a_1{
	display:block;
	padding-top:7px;
	padding-bottom:7px;
	padding-left:14px;
	padding-right:14px;
	border:1px solid #999;
	width:47px;
	height:17px;
	text-align:center;
	line-height:17px;
	margin-left:920px;
	margin-top:-40px;
	color:blue;
	text-decoration:none;
}
.sousuo{
	width:307px;
	height:50px;
	margin-left:1020px;
	margin-top:-42px;
	padding-right:20px;
	border-left:1px #999 solid;
	border-right:1px #999 solid;
}
.text1{
	border:1px solid #999;
	width:175px;
	height:50px;
	font-size:20px;
	padding-left:10px;
	padding-right:43px;
	background-image:url('../images/sousuo.png');
	background-size:40px 40px;
	background-repeat:no-repeat;
	background-position:98% 50%;
}
.user{
	width:20px;
	height:40px;
	margin-top:-48px;
	margin-left:240px;
	background-image:url('../images/geren.png');
	background-size:100% 80%;
	background-repeat:no-repeat;
	background-position:0% 50%;
}
.list{
	width:40px;
	height:40px;
	margin-top:-40px;
	margin-left:270px;
	background-image:url('../images/liebiao.png');
	background-size:100% 80%;
	background-repeat:no-repeat;
	background-position:0% 50%;
}
.adv{
	padding-right:10px;
	padding-left:10px;
	padding-bottom:10px;
	margin:0 auto;
	width:1200px;
	height:26px;
	font-size:18px;
	color:#999;
	text-align:right;
}
.shuffling_Figure{
	width:1349px;
	height:390px;
}
.shuffling_Figure>div{
	position:absolute;
	opacity:0;
}
.shuffling_Figure>div:first-child{
	opacity:1;
}
.shuffling_Figure_1{
	width:1349px;
	height:390px;
	font-size:50px;
	color:#fff;
	background-image:url('../images/beijing1.jpg');
	background-size:1349px 390px;
}
.shuffling_Figure_1>span{
	display:block;
	margin-left:60px;
	margin-top:50px;
}
.shuffling_Figure_2{
	width:1349px;
	height:390px;
	font-size:50px;
	color:#fff;
	background-image:url('../images/beijing2.jpg');
	background-size:1349px 390px;
}
.shuffling_Figure_2>span{
	display:block;
	margin-left:60px;
	margin-top:50px;
}
.shuffling_Figure_3{
	width:1349px;
	height:390px;
	font-size:50px;
	color:#fff;
	background-image:url('../images/beijing3.jpg');
	background-size:1349px 390px;
}
.shuffling_Figure_3>span{
	display:block;
	margin-left:60px;
	margin-top:50px;
}
.btn{
	display:flex;
	justify-content:space-between;
	width:102px;
	height:32px;
	margin:10px auto;
}
.btn_1{
	width:20px;
	height:30px;
	background:#fff;
	font-size:25px;
	color:blue;
	border:none;
}
.ball{
	margin-top:8px;
	width:62px;
	height:14px;
}
.ul_2{
	display:flex;
	justify-content:space-around;
}
.ul_2>li{
	width:14px;
	height:14px;
	list-style-type:none;
	border:1px blue solid;
	border-radius:8px;
}
.ul_2>li:first-child{
	background:skyblue;
}
.btn_2{
	width:20px;
	height:30px;
	background:#fff;
	font-size:25px;
	color:blue;
    border:none;
}
h1{
	width:1180px;
	height:60px;
	margin:0 auto;
	text-align:center;
}
.content{
	display:flex;
	justify-content:space-between;
	padding-left:10px;
	padding-right:10px;
	padding-bottom:10px;
	width:1200px;
	height:574px;
	margin:10px auto;
}
.content>div{
	padding-right:10px;
	padding-left:10px;
	width:380px;
	height:574px;
	border:1px #999 solid;
}
.content_1_1{
	width:378px;
	height:206px;
}
.content_1_1>img{
	width:378px;
	height:206px;
}
.content_1_2{
	padding:20px;
	width:338px;
	height:209px;
}
.content_1_3{
	padding-top:20px;
	padding-bottom:12px;
	width:338px;
	height:26px;
	background:url('../images/right.png');
	background-repeat:no-repeat;
	background-size:26px 26px;
	background-position:5% 55%;
}
.content_1_3>a{
	margin-left:70px;
	text-decoration:none;
	color:blue;
	&:hover{
		text-decoration:underline;
	}
}
h3>span{
  font-size:16px;
  color:#999;
}
.content_2_1{
	width:378px;
	height:206px;
}
.content_2_1>img{
	width:378px;
	height:206px;
}
.content_2_2{
	padding:20px;
	width:338px;
	height:209px;
}
.content_2_3{
	padding-top:20px;
	padding-bottom:12px;
	margin-top:15px;
	width:338px;
	height:26px;
	background:url('../images/right.png');
	background-repeat:no-repeat;
	background-size:26px 26px;
	background-position:5% 55%;
}
.content_2_3>a{
	margin-left:70px;
	text-decoration:none;
	color:blue;
	&:hover{
		text-decoration:underline;
	}
}
.content_3_1{
	width:378px;
	height:206px;
}
.content_3_1>img{
	width:378px;
	height:206px;
}
.content_3_2{
	padding:20px;
	width:338px;
	height:209px;
}
.content_3_3{
	padding-top:20px;
	padding-bottom:12px;
	margin-top:15px;
	width:338px;
	height:26px;
	background:url('../images/tijiao.png');
	background-repeat:no-repeat;
	background-size:26px 26px;
	background-position:5% 55%;
}
.content_3_3>a{
	margin-left:70px;
	text-decoration:none;
	color:blue;
	&:hover{
		text-decoration:underline;
	}
}
.change{
    padding-top:60px;
    padding-bottom:60px;
	width:1349px;
	height:515px;
	background:#152935;
}
.change_head{
	width:1180px;
	height:45px;
	padding-bottom:15px;
	margin:0 auto;
	color:#fff;
	font-weight:400;
}
.change>div{
	width:1200px;
	height:111px;
}
.change_1{
	display:flex;
	justify-content:center;
	margin:10px auto;
}
.change_2{
	display:flex;
	justify-content:center;
	margin:10px auto;
}
.change_3{
	display:flex;
	justify-content:center;	
	margin:10px auto;
}
.change_4{
	display:flex;
	justify-content:center;	
	margin:10px auto;
}
.change_1_1{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change1.png');
	background-repeat:no-repeat;
	background-size:84px 84px;
}
h3{
	width:290px;
	height:45px;
	color:#fff;
	text-align:center;
	margin-left:75px;
	margin-top:-28px;
	font-weight:400;
}
.p_1{
       width:290px;
       height:24px;
       color:#fff;
       font-size:13px;
       text-align:center;
       margin-left:75px;
}
.change_1_2{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change2.png');
	background-repeat:no-repeat;
	background-size:84px 84px;
}
.change_2_1{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change3.png');
	background-repeat:no-repeat;
	background-size:84px 84px;	
}
.change_2_2{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change4.png');
	background-repeat:no-repeat;
	background-size:84px 84px;	
}
.change_3_1{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change5.png');
	background-repeat:no-repeat;
	background-size:84px 84px;	
}
.change_3_2{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change6.png');
	background-repeat:no-repeat;
	background-size:84px 84px;	
}
.change_4_1{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change7.png');
	background-repeat:no-repeat;
	background-size:84px 84px;	
}
.change_4_2{
	padding-top:27px;
	padding-left:10px;
	padding-right:10px;
	width:380px;
	height:84px;
	background-image:url('../images/change8.png');
	background-repeat:no-repeat;
	background-size:84px 84px;	
}
.help{
	padding-top:60px;
	padding-bottom:60px;
	width:1349px;
	height:274px;
	background:#323232;
}
.help>h2{
	width:1180px;
	height:35px;
	padding-bottom:15px;
	text-align:center;
	color:#fff;
	margin:0 auto;
	font-size:30px;
	font-weight:300;
}
.help_1{
	display:flex;
	justify-content:space-between;
	width:1200px;
	height:194px;
	margin:5px auto;
}
.help_1>div{
	width:220px;
	height:170px;
	padding-left:10px;
	padding-right:10px;
}
.help_1>div>p{
	width:220px;
	height:82px;
	margin:0 auto;
}
.help_p1{
	background-image:url('../images/erji.png');
	background-repeat:no-repeat;
	background-size:82px 82px;
	background-position:50% 50%;
}
.help_p2{
	background-image:url('../images/knowledge.png');
	background-repeat:no-repeat;
	background-size:82px 82px;
	background-position:50% 50%;
}
.help_p3{
	background-image:url('../images/book.png');
	background-repeat:no-repeat;
	background-size:82px 82px;
	background-position:50% 50%;
}
.help_p4{
	background-image:url('../images/work.png');
	background-repeat:no-repeat;
	background-size:82px 82px;
	background-position:50% 50%;
}
.help_p5{
	background-image:url('../images/yanjiu.png');
	background-repeat:no-repeat;
	background-size:82px 82px;
	background-position:50% 50%;
}
.help_1>div>h4{
	width:220px;
	height:25px;
	color:#fff;
	text-align:center;
	line-height:25px;
	font-weight:400px;
	font-size:20px;
	padding-bottom:15px;
}
.help_1>div>.help_p1_1{
	width:220px;
	height:40px;
	color:#fff;
}
.help_1>div>.help_p2_1{
	width:220px;
	height:40px;
	color:#fff;
}
.help_1>div>.help_p3_1{
	width:220px;
	height:40px;
	color:#fff;
}
.help_1>div>.help_p4_1{
	width:220px;
	height:40px;
	color:#fff;
}
.help_1>div>.help_p5_1{
	width:220px;
	height:40px;
	color:#fff;
}
.end{
	display:flex;
	justify-content:space-between;
	width:1200px;
	height:320px;
	padding-bottom:10px;
	padding-left:10px;
	padding-right:10px;
	margin:0 auto;
}
.end>div{
	padding-top:40px;
	padding-right:10px;
	padding-left:10px;
	width:280px;
	height:280px;
}
.h3{
	width:280px;
	height:25px;
	padding-bottom:15px;
	color:black;
	text-align:left;
	font-weight:600;
	margin:0 auto;
}
.end_1{
	list-style-type:none;
	width:280px;
	height:26px;
	padding-bottom:7px;
}
.end_1>a{
	text-decoration:none;
	color:#999;
	&:hover{
		color:blue;
		text-decoration:underline;
	} 
}
.end_nav{
	padding-left:10px;
	padding-right:10px;
	width:1180px;
	height:58px;
	margin:20px auto;
}
.end_nav_box{
	display:flex;
	justify-content:space-between;
	padding-top:11px;
    padding-bottom:11px;
    width:630px;
    height:36px;
    line-height:36px;
}
.end_nav_box>li{
	height:36px;
	list-style-type:none;
}
.end_nav_box>li>a{
	text-decoration:none;
	color:#999;
	&:hover{
		color:blue;
		text-decoration:underline;
	}
}